Wringer sponge mop



FIG. 1 is a perspective view of a wringer sponge mop showing my new design;

FIG. 2 is a side elvational view thereof;

FIG. 3 is a front elevational view therof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a top plan view thereof. 

The ornamental design for a wringer sponge mop, as shown and described. 